Hey there!
First, multiply the second equation by -2 as the problem states. When you multiply the second equation by -2, you get:
-2x+4y=2
Now, add this equation to the first equation in which you simply combine like terms:
2x+y=3
+
-2x+4y=2
=
5y= 5
In conclusion, the correct answer would be the first choice.
Answer:
12
Step-by-step explanation:
sqrt(144)
What number times itself equals 144
12*12 = 144
-12*-12 =144
Given your choices, your solution is 12
Answer:
B (6,0) because when graphed it would make a 90° angle
Answer:
a -9
b 9
c -24
Step-by-step explanation:
this are the answers
Answer:
its 4 because none of them are listed
Step-by-step explanation: